Summary statistics for rpsr2018q2 dataset : by Jean Roth , jroth@nber.org , 8 Sep 2018 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- primaryid | 15,860 1.49e+08 1073318 1.47e+08 1.51e+08 caseid | 15,860 1.49e+07 107331.8 1.47e+07 1.51e+07 rpsr_cod | 0 by Jean Roth , jroth@nber.org , 8 Sep 2018